| Bothell to Popovo | 5,854.07 mi (9,421.21 km) |
| Bothell to Provadia | 5,885.83 mi (9,472.32 km) |
| Bothell to Radnevo | 5,916.51 mi (9,521.71 km) |
| Bothell to Radomir | 5,844.05 mi (9,405.09 km) |
| Bothell to Rakitovo | 5,902.29 mi (9,498.82 km) |
| Bothell to Rakovski | 5,899.42 mi (9,494.20 km) |
| Bothell to Razgrad | 5,847.22 mi (9,410.19 km) |
| Bothell to Razlog | 5,896.73 mi (9,489.87 km) |
| Bothell to Ruse | 5,818.55 mi (9,364.05 km) |
| Bothell to Samokov | 5,869.46 mi (9,445.98 km) |
| Bothell to Sandanski | 5,913.24 mi (9,516.44 km) |
| Bothell to Sevlievo | 5,854.74 mi (9,422.30 km) |
| Bothell to Shumen | 5,870.69 mi (9,447.97 km) |
| Bothell to Silistra | 5,822.24 mi (9,369.99 km) |
| Bothell to Sliven | 5,898.96 mi (9,493.45 km) |
